| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H Rossetto vs H Kokkoris |
| 1-0 | 48 | 1968 | Lugano Olympiad qual-6 | A00 Uncommon Opening |
| 27. H Kokkoris vs A Hennings |
| 0-1 | 48 | 1968 | Lugano Olympiad qual-6 | B21 Sicilian, 2.f4 and 2.d4 |
| 28. H Kokkoris vs H B Rehouma |
| ½-½ | 56 | 1968 | Lugano Olympiad Final-C | C57 Two Knights |
| 29. H Kokkoris vs C Uzman |
| 1-0 | 47 | 1968 | Lugano Olympiad Final-C | C59 Two Knights |
| 30. A Zichichi vs H Kokkoris |
| ½-½ | 49 | 1968 | Lugano Olympiad Final-C | B23 Sicilian, Closed |
| 31. H Kokkoris vs L Schorr |
| ½-½ | 28 | 1968 | Lugano Olympiad Final-C | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 32. H Kokkoris vs Kavalek |
 | 0-1 | 28 | 1968 | Athens | E67 King's Indian, Fianchetto |
| 33. M Czerniak vs H Kokkoris |
| 0-1 | 27 | 1968 | Athens | B20 Sicilian |
| 34. G Tringov vs H Kokkoris |
| 1-0 | 37 | 1968 | Athens | B45 Sicilian, Taimanov |
| 35. H Kokkoris vs V Ciocaltea |
| 1-0 | 34 | 1968 | Athens | C57 Two Knights |
| 36. H Kokkoris vs E Pedersen |
| 0-1 | 40 | 1969 | Athens Zonal | B06 Robatsch |
| 37. N Suer vs H Kokkoris |
| 0-1 | 41 | 1969 | Athens Zonal | B40 Sicilian |
| 38. Csom vs H Kokkoris |
| 1-0 | 55 | 1969 | Athens Zonal | B22 Sicilian, Alapin |
| 39. H Kokkoris vs T Siaperas |
| 1-0 | 39 | 1969 | Athens Zonal | C54 Giuoco Piano |
| 40. H Kokkoris vs Forintos |
| ½-½ | 84 | 1969 | Athens Zonal | B27 Sicilian |
| 41. J Lewi vs H Kokkoris |
| 0-1 | 47 | 1969 | Athens Zonal | A14 English |
| 42. H Kokkoris vs N Spiridonov |
| 0-1 | 46 | 1969 | Athens Zonal | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 43. H Kokkoris vs D Wright |
| 0-1 | 34 | 1969 | Athens Zonal | B07 Pirc |
| 44. H Kokkoris vs A Lombard |
| 1-0 | 41 | 1969 | Athens Zonal | B80 Sicilian, Scheveningen |
| 45. H Kokkoris vs F Olafsson |
| 0-1 | 45 | 1969 | Athens Zonal | B05 Alekhine's Defense, Modern |
| 46. H Kokkoris vs F Stoppel |
| 1-0 | 38 | 1969 | Athens Zonal | C05 French, Tarrasch |
| 47. Gheorghiu vs H Kokkoris |
| ½-½ | 23 | 1969 | Athens Zonal | A15 English |
| 48. R Nicevski vs H Kokkoris |
| 1-0 | 41 | 1969 | Athens Zonal | B36 Sicilian, Accelerated Fianchetto |
| 49. Hort vs H Kokkoris |
| 1-0 | 39 | 1969 | Athens Zonal | A12 English with b3 |
| 50. Jansa vs H Kokkoris |
| 1-0 | 40 | 1969 | Athens Zonal | A00 Uncommon Opening |
Kibitzing
